A method of using accelerometer to restrain vibration pattern of CNC machine tool
A technology of CNC machine tools and accelerometers, applied in the field of mechanical processing control, can solve the problems of increasing the acceleration and deceleration time of the axial motor, prolonging the processing time of the workpiece, and increasing the production cost, so as to improve the rigidity of the mechanism, reduce the production cost, and greatly debug effect of space
Active Publication Date: 2021-09-03
新代科技(苏州)有限公司
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Problems solved by technology
In the prior art, the vibration pattern is mainly solved by increasing the acceleration and deceleration time of the axial motor to reduce the excitation phenomenon, which will prolong the processing time of the workpiece; or increase the rigidity of the mechanism to reduce the resonance phenomenon, but this will increase the Production cost, lower yield
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[0024] The preferred embodiments of the present invention will be described in detail below.
[0025] The following descriptions of various embodiments refer to the accompanying drawings to illustrate specific embodiments according to which the present invention can be implemented. The directional terms mentioned in the present invention, such as "up", "down", "front", "rear", "left", "right", "inside", "outside", "side", etc., are only for reference Attached directions. Therefore, the directional terms used are used to illustrate and understand the application, but not to limit the application. Also, in the specification, the word "comprise" or "comprising" should be understood as meaning including the element, but not excluding any other element, unless it is clearly described to the contrary.
[0026] The present invention provides a control system based on accelerometers, usually applied to three-axis milling machines, such as figure 1 As shown, it mainly includes two a...
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The invention discloses a method for using an accelerometer to suppress the vibration pattern of a CNC machine tool. The accelerometers are respectively installed on the spindle and the machine table, and are connected to the controller through a driver; (c) the acceleration signals obtained by the two accelerometers are transmitted to the controller through the driver, and then Vibration suppression settings are made via the controller. It can effectively solve the vibration pattern (water ripple) problem caused by resonance in CNC machining, without increasing the rigidity of the mechanism, reducing the production cost of the machine tool, and the debugging process is friendly, with a large debugging space.
Description
technical field [0001] The invention belongs to the field of mechanical processing control, and relates to a method for suppressing the processing of vibration lines, in particular to a method for using an accelerometer to suppress the processing of vibration lines by a numerical control machine tool. Background technique [0002] Affected by axial acceleration and deceleration forces, friction and interference forces, meshing forces of gears or belts, and unbalanced tool quality forces, CNC machine tools (milling machines) are prone to resonance during processing, and vibration patterns are formed on the surface of the workpiece. In the prior art, the vibration pattern is mainly solved by increasing the acceleration and deceleration time of the axial motor to reduce the excitation phenomenon, which will prolong the processing time of the workpiece; or increase the rigidity of the mechanism to reduce the resonance phenomenon, but this will increase the Lower production costs...
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IPC IPC(8): G05B19/404
CPCG05B19/404G05B2219/36551
Inventor 王玉星陈波徐兵邱水利李宝玉邱子轩冯常州陆鑫王彬彬阚建辉倪迎晖丁帅奇杨航魏开旭陈朋张宗威
Owner 新代科技(苏州)有限公司